import axios from "axios";
import { Notification, MessageBox, Message } from "element-ui";
import store from "@/store";
import { getToken } from "@/utils/auth";
import errorCode from "@/utils/errorCode";

axios.defaults.headers["Content-Type"] = "application/json;charset=utf-8";
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 10000,
});
// request拦截器
service.interceptors.request.use(
  (config) => {
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === false;
    if (getToken() && !isToken) {
      config.headers["authorization"] = "Bearer " + getToken(); // 让每个请求携带自定义token 请根据实际情况自行修改
    }
    return config;
  },
  (error) => {
    Promise.reject(error);
  }
);

// 响应拦截器
service.interceptors.response.use(
  (res) => {
    // 未设置状态码则默认成功状态
    const code = res.data.ec || 200;
    // 获取错误信息
    const message = errorCode[code] || res.data.em || errorCode["default"];
    switch (code) {
      case 401:
        MessageBox.confirm(
          "登录状态已过期，您可以继续留在该页面，或者重新登录",
          "系统提示",
          {
            confirmButtonText: "重新登录",
            cancelButtonText: "取消",
            type: "warning",
          }
        ).then(() => {
          store.dispatch("LogOut").then(() => {
            location.reload(); // 为了重新实例化vue-router对象 避免bug
          });
        });
        break;
      case 500:
        Message({
          message: message,
          type: "error",
        });
        return Promise.reject(new Error(message));
      case 200:
        return res.data;
      case 2:
        Notification.warning("暂无数据");
        return Promise.reject(res);
      default:
        Notification.error(message);
        return Promise.reject("error");
    }
  },
  (error) => {
    console.log("err" + error);
    Message({
      message: error.message,
      type: "error",
      duration: 5 * 1000,
    });
    return Promise.reject(error);
  }
);

export default service;
